Oversaw mechanical systems, including HVAC, plumbing, and firefighting, for the Riyadh Metro Package 3 (RAMPED) JV project.• Ensured compliance with project specifications, codes, and standards, implementing quality assurance processes to monitor and verify the quality of mechanical installations.• Supervised and provided guidance to the contractor during the construction stage, conducting regular inspections and issuing non-conformance reports (NCRs) when necessary.• Contributed to the development and implementation of QA/QC policies and procedures, ensuring adherence to defined standards.• Prepared daily and weekly reports on mechanical inspections, progress, and quality control, providing detailed information on inspections, material procurement, and non-conformances.• Maintained a strong focus on health, safety, and environmental (HSE) regulations, ensuring mechanical installations met safety standards and promoting a safe working environment.• Participated in testing and commissioning activities, conducting site acceptance tests (SATs) to verify the functionality and performance of mechanical systems.• Facilitated the handover process by ensuring completion and closure of all mechanical documentation, including design documents, material approvals, test reports, and commissioning records.• Collaborated with the contractor to address outstanding issues and resolve snagging items related to mechanical systems.